Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
M39014/011291

M39014/011291

Cornell Dubilier Electronics

CAP CER 33UF 200V RADIAL

0

M39014/021319

M39014/021319

Cornell Dubilier Electronics

CAP CER 390000UF 50V RADIAL

0

M39014/011356

M39014/011356

Cornell Dubilier Electronics

CAP CER 820UF 200V RADIAL

0

M39014/011564

M39014/011564

Cornell Dubilier Electronics

CAP CER 2200UF 100V RADIAL

0

M39014/011347

M39014/011347

Cornell Dubilier Electronics

CAP CER 270UF 200V RADIAL

0

C0603C224M8VAC

C0603C224M8VAC

Cornell Dubilier Electronics

CAP CER 0.22UF 10V Y5V 0603

0

M39014/011332

M39014/011332

Cornell Dubilier Electronics

CAP CER 39UF 200V RADIAL

0

M39014/021318

M39014/021318

Cornell Dubilier Electronics

CAP CER 330000UF 50V RADIAL

0

CK12BX220K

CK12BX220K

Cornell Dubilier Electronics

CAP CER 22PF 100V BX AXIAL

0

M39014/021358

M39014/021358

Cornell Dubilier Electronics

CAP CER 330000UF 50V RADIAL

0

M39014/011572

M39014/011572

Cornell Dubilier Electronics

CAP CER 6800UF 100V RADIAL

0

C0603C189C2GAC

C0603C189C2GAC

Cornell Dubilier Electronics

CAP CER 1.8PF 200V NP0 0603

0

M39014/021350

M39014/021350

Cornell Dubilier Electronics

CAP CER 100000UF 100V RADIAL

0

M39014/011513

M39014/011513

Cornell Dubilier Electronics

CAP CER 0.1UF 50V BX RADIAL

0

M39014/011522

M39014/011522

Cornell Dubilier Electronics

CAP CER 1800UF 100V RADIAL

0

M39014/011316

M39014/011316

Cornell Dubilier Electronics

CAP CER 820UF 200V RADIAL

0

M39014/011348

M39014/011348

Cornell Dubilier Electronics

CAP CER 330UF 200V RADIAL

0

M15G279D2-F

M15G279D2-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

M39014/011302

M39014/011302

Cornell Dubilier Electronics

CAP CER 150UF 200V RADIAL

0

GM103K

GM103K

Cornell Dubilier Electronics

CAP CER 10000PF 500V Y5P RADIAL

0

Ceramic Capacitors

1. Overview

Ceramic capacitors are fixed-value capacitors with ceramic materials as dielectrics. They consist of alternating layers of ceramic and metal electrodes, offering compact size, low cost, and stable performance. As core passive components, they are critical in modern electronics for functions like noise filtering, signal coupling, and power supply stabilization. Their importance spans from consumer electronics to aerospace systems due to their reliability and wide operating frequency range.

2. Main Types and Functional Classification

Type Functional Characteristics Application Examples
Class I Ceramic Capacitors High stability, low losses, linear temperature coefficient ( 30ppm/ C) RF circuits, precision oscillators
Class II Ceramic Capacitors Higher capacitance density, nonlinear temperature response ( 15%-22%) Power decoupling, DC link circuits
Multi-Layer Ceramic Capacitors (MLCCs) Stacked electrode structure, high capacitance-to-volume ratio Mobile devices, automotive electronics
High Voltage Ceramic Capacitors Rated voltage >1kV, thick dielectric layers Power supplies, medical imaging equipment

3. Structure and Composition

Ceramic capacitors feature a layered structure with three primary components:

  • Ceramic Dielectric: Barium titanate (BaTiO3) or calcium zirconate formulations for Class II/III types
  • Electrodes: Nickel, copper, or silver-palladium alloys in alternating layers
  • Terminations: Solderable outer layers (e.g., tin/nickel plating) for PCB mounting

MLCCs are manufactured through tape casting, screen printing, and sintering processes to create monolithic structures with up to 1000+ electrode layers.

4. Key Technical Specifications

Parameter Significance Typical Range
Capacitance (C) Determines charge storage capability 0.5pF - 100 F
Rated Voltage (VR) Maximum DC working voltage 2.5V - 10kV
Capacitance Tolerance Manufacturing accuracy 1% (Class I) to 22% (Class III)
Temperature Coefficient Stability across temperature -55 C to +125 C operating range
ESR (Equivalent Series Resistance) Impacts high-frequency performance 1m - 100m

5. Application Fields

Ceramic capacitors are deployed in:

  • Consumer Electronics: Smartphones (decoupling), laptops (power management)
  • Automotive Systems: ECU units (noise suppression), EV charging circuits
  • Industrial Equipment: Motor drives (snubber circuits), PLC controllers
  • Telecommunications: 5G base stations (RF filtering), optical transceivers
  • Medical Devices: MRI scanners (high-voltage isolation), pacemakers

6. Leading Manufacturers and Products

Manufacturer Key Products Technical Highlights
Murata Manufacturing GRM series MLCCs Sub-millimeter 0201 size with 10 F capacity
TDK Corporation C4532 series High-reliability automotive grade components
KEMET Electronics C1210 series Space-grade tantalum ceramic hybrid capacitors
AVX Corporation 943D series High-voltage 2000V surface-mount devices
Vishay Intertechnology VCB series Anti-sulfurated terminations for harsh environments

7. Selection Guidelines

Key considerations for capacitor selection:

  • Operating voltage margin (>20% above rated voltage)
  • Temperature stability requirements (Class I for precision circuits)
  • Size constraints (MLCCs preferred for miniaturization)
  • Environmental factors (humidity, vibration, thermal cycling)
  • Cost optimization (Class II for cost-sensitive applications)

Example: For a 5G RF front-end module, select Class I capacitors with 0.1pF tolerance and 50 impedance matching characteristics.

8. Industry Trends

Emerging developments include:

  • Miniaturization: Development of 01005-inch MLCCs for wearable devices
  • High Capacitance Density: 100 F+ in 1210 package through nano-dielectric engineering
  • Advanced Materials: Lead-free ceramics meeting RoHS standards
  • High-Temperature Performance: Capacitors operating reliably at 200 C+
  • Integrated Solutions: Embedded capacitor substrates for SiP (System-in-Package) applications
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